System.Character.ConvertToUtf32

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Delphi

function ConvertToUtf32(const S: string; Index: Integer): UCS4Char;
function ConvertToUtf32(const S: string; Index: Integer; out CharLength: Integer): UCS4Char;
function ConvertToUtf32(const HighSurrogate, LowSurrogate: Char): UCS4Char;

C++

extern DELPHI_PACKAGE unsigned __fastcall ConvertToUtf32(const System::UnicodeString S, int Index)/* overload */;

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.Character.pas System.Character.hpp	System.Character	System.Character

Description

Warning: ConvertToUtf32 is deprecated. Please use TCharHelper.ConvertToUtf32.

Converts a UTF-16 character or surrogate pair to a UCS4Char.

This function is overloaded:

• Converts the UTF-16 character or surrogate pair at index Index in string S to a UCS4Char.
• Converts the UTF-16 character or surrogate pair at index Index in string S to a UCS4Char, and returns the length of the character converted from S as CharLength in UTF-16 characters.
• Converts a high and low surrogate pair of UTF-16 chars to their combined UCS4Char value.

See Also

• ConvertToUtf32

• ConvertFromUtf32

Code Examples

• CharacterSurrogates (Delphi)
• CharacterSurrogates (C++)